my baby is breast fed and 6 weeks old. She has never been a good sleeper at night usually wakes up at 2am and stays awake feeding and fussing till 6am. The last couple of nights have been worse last night she woke at midnight and didnt go back to sleep until 10am this morning . im so exhausted she wants to continually feed and when she does dose off is awake again as soon as i put her down, help i dont know what to do for the best am i doing something wrong?